package demo2;

public class KeyBoard implements USB{
    @Override
    public void OpenDevice() {
        System.out.println("打开键盘。。。");
    }

    @Override
    public void CloseDevice() {
        System.out.println("关闭键盘。。。");
    }

    public void input(){
        System.out.println("敲击使用键盘。。。");
    }
}
